A pair of Art Nouveau yellow gold and enamel cufflinks

A pair of Art Nouveau yellow gold and enamel cufflinks, each cufflink consisting a marquise-shaped plaque with the stylised head of a mythical creature in yellow gold and purple enamel, with a round brilliant-cut diamond set within the teeth, the diamonds estimated to weigh a total of 0.50 carats for the pair, connected with chain links to another marquise-shaped plaque with figure-of-eight design of yellow gold against a purple enamel background, gross weight 14.6 grams, circa 1895